but when you're pushing heavy paint through them regularly

Available in 7 different colors

Use your markers and paint on both sides of the page without bleeding

A classic tool — cheap

and can even write on wet and dirty surfaces

tombow mono graph mechanical pencil 0 5mm black Sketch but when you're pushing heavyThe Tombow MONO Graph in matte black uses a "Shake" mechanism to advance the 0. 5 mm lead: tip the pencil up and down and an internal brass weight drops to feed lead forward, so you don't need to break your grip or reach for a button mid sentence. A standard side clip click still works too, and sliding the clip up locks the shake function off, which keeps lead from advancing accidentally while it's loose in a bag or pencil case. The eraser at the top